Topaz is a silicate mineral of aluminium and fluorine with the chemical formula Al2SiO42. Topaz crystallizes in the orthorhombic system, and its crystals are mostly prismatic terminated by pyramidal and other faces. It is one of the hardest naturally occurring minerals and is the hardest of any silicate mineral. This hardness combined with its usual transparency and variety of colors means that it has acquired wide use in jewellery as a cut gemstone as well as for intaglios and other gemstone ca
The term, 'Native American,' came into usage in the 1960s to denote the groups served by the Bureau of Indian Affairs: American Indians and Alaska Native (Indians, Eskimos and Aleuts of Alaska).Later the term also included Native Hawaiians and Pacific Islanders in some Federal programs.he preferred term is American Indian. Answers to Frequently Asked Questions, from the Bureau of Indian Affairs. I abhor the term Native American. It is a generic government term used to describe all the indigenous prisoners of the United States.
Chiefdom organization, Sitting Bull, and The Last of the Mohicans â all these have a common denominator â American Indians. Excruciating history of Native American peoples brings the naming tradition of American cultural heritage from its very genesis. Acamapichtli Handful of reeds. Ahtahkakoop Quilt of stars.